JP2004135998A - Drum type clothes dryer - Google Patents

Drum type clothes dryer Download PDF

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Publication number
JP2004135998A
JP2004135998A JP2002305322A JP2002305322A JP2004135998A JP 2004135998 A JP2004135998 A JP 2004135998A JP 2002305322 A JP2002305322 A JP 2002305322A JP 2002305322 A JP2002305322 A JP 2002305322A JP 2004135998 A JP2004135998 A JP 2004135998A
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JP
Japan
Prior art keywords
drum
heating device
clothes dryer
type clothes
rotating drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002305322A
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Japanese (ja)
Inventor
Masaji Takaoka
高岡　正次
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JATECX KK
Nippon Kouatsu Electric Co
Jatecx Co Ltd
Original Assignee
JATECX KK
Nippon Kouatsu Electric Co
Jatecx Co Ltd
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Filing date
Publication date
Application filed by JATECX KK, Nippon Kouatsu Electric Co, Jatecx Co Ltd filed Critical JATECX KK
Priority to JP2002305322A priority Critical patent/JP2004135998A/en
Publication of JP2004135998A publication Critical patent/JP2004135998A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a silent drum type clothes dryer improved in drying efficiency to economize electric charges regarding the drum type clothes dryer for enclosing and drying clothes or the like in a rotating drum. <P>SOLUTION: This drum type clothes dryer for enclosing and drying the clothes or the like in the rotating drum is provided with a heating device for directly heating the rotating drum, inside an outer case of the dryer which faces the outer peripheral surface of the rotating drum. A non-contact type heating device such as a microwave heating device, an electromagnetic induction heating device or an infrared heating device is provided as the heating device. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
この発明は衣類乾燥機に関するもので、より詳しくは回転ドラムを加熱装置により直接加熱させるようにしたドラム式衣類乾燥機に関するものである。
【０００２】
【従来の技術】
従来の衣類乾燥機は、ファン等の送風手段により外気より取り込んだ空気をヒータにて加熱し、乾燥した温風を作り、ダクト等を用いてその温風を回転するドラム内に送り込み、ドラム内に収納した衣類を乾燥させる方式のものが提案されている。
またその改良品として、乾燥時のドラム回転に伴う衣類の傷みを少なくし、外気をそのまま使用した自然乾燥のみを行うことにより乾燥時間を長くして夜間等に使用することにより電気代を節約させる自然乾燥と低温乾燥を併用したドラム式衣類乾燥機が提案されている。（例えば、特許文献１参照。）
【０００３】
【特許文献１】
特開平５−１３１０９２号公報（第２−３頁、第１図）
【０００４】
【発明が解決しようとする課題】
しかしながら前記改良案についても静粛な夜間での使用に対して、外気を送風するファンの振動音や排気音が発生するため、静かで、かつ乾燥効率の良い衣類乾燥機が望まれている。
本発明はそのような要望を満足させるために、静かで乾燥効率の良い衣類乾燥機を提供することにある。
【０００５】
【発明が解決するための手段】
本発明は前記課題を解決するためになされたもので、
請求項１の発明は、衣類等を回転ドラム内に収納して乾燥させるドラム式衣類乾燥機において、前記回転ドラム外周面に対向する前記乾燥機外箱ケース内側に前記回転ドラムを直接加熱するための加熱装置を備えたことを特徴とするドラム式衣類乾燥機である。
【０００６】
請求項２の発明は、衣類等を回転ドラム内に収納して乾燥させるドラム式衣類乾燥機において、前記回転ドラム外周面に対向する前記乾燥機外箱ケース内側に前記回転ドラムを直接加熱するためのマイクロ波加熱装置、電磁誘導加熱装置、赤外線加熱装置等の非接触式加熱装置を備えたことを特徴とするドラム式衣類乾燥機である。
【０００７】
請求項３の発明は前記回転ドラムにフッ素コーティング等の耐熱性被覆部材を設けたドラム式衣類乾燥機である。
【０００８】
請求項４の発明は前記回転ドラムにマイクロ波吸収発熱体を設けたドラム式衣類乾燥機である。
【０００９】
請求項５の発明は前記回転ドラムを囲むように前記乾燥機外箱ケース内側に枠体を設け、前記回転ドラム外周面又は前記枠体内面に略平面又は略球面形状の突起部を設けたドラム式衣類乾燥機である。
【００１０】
【作用】
本発明は回転するドラム３を直接加熱するようにしたもので、これにより温熱の損失を少なくでき、乾燥効率を良くすることができる。
【００１１】
ドラム３を直接加熱する加熱装置としてマイクロ波加熱装置、電磁誘導加熱装置、赤外線加熱装置等の非接触式加熱装置を用いることにより非接触状態でドラム３を直接加熱することができ、乾燥機外箱ケース内での加熱装置の取付場所を自由に選ぶことができる。
またドラム３への接続作業等の組立作業時間も不要にできる。
【００１２】
請求項３の発明によりドラム３内面にコーティング等の公知手段を用いてフッ素等の耐熱性被覆部材を形成させことにより、ドラムの加熱による衣類等の付着やドラムとの摺動による衣類等の傷みを防ぐことができる。
【００１３】
請求項４の発明によりドラム３の周面の内外面にマイクロ波を吸収して発熱する発熱体を塗布、コーティング又は接着させたりして設けることにより、ドラム３をより効率良く加熱することができ、より省エネを図ることができる。
【００１４】
請求項５の発明によりドラム３の外周面３ｄ又は中枠４の内面４ｃに略平面又は略球面形状の突起部３０を設け、ドラム３回動時にドラム３の外周面３ｄと中枠４の内面４ｃとの空間１０の空気を前記突起部３０によりドラム３の孔３ａからドラム３内部へ送出する或いはドラム３内部の空気をドラム３の孔３ａから空間１０へ排出させるようにしてドラム３の回動によってより大きな空気の流れを発生させるようにしたもので、
これによりドラム３の回動のみで衣類を乾燥させるための送風を行うことができ、送風ファン用モータを不要にすることができる。
【００１５】
また、乾燥だけでなく洗濯を兼用したドラム式洗濯乾燥機タイプのものに適用することにより、ドラム加熱により洗浄水を暖め温水を作ることができるため、洗濯時の洗浄効果を上げることができる。
またすすぎ時にもドラム加熱により作成した温水を用いることにより、脱水後の乾燥時間を短くさせることもできる。
【００１６】
【発明の実施の形態】
本発明の実施例について図１、図２を用いて説明する。
１は本発明の乾燥機であり、略直方体形状の樹脂又は金属からなる外箱２の内部には略円筒形状の樹脂又は金属からなる中枠４が固定されており、中枠４の内側に多数の孔３ａを穿孔した金属又は耐熱性樹脂からなる略円筒形のドラム３が設けられている。
【００１７】
ドラム３の開口部３ｂが外箱２の開口部２ａに設けられている衣類挿入部２ｃにより回転可能に支持され、開口部３ｂと反対側面３ｃが中枠４の軸受部４ａにより回転可能に支持されており、
中枠４の軸受部４ａを貫装している回転軸７とドラム３の側面３ｃが嵌合されて、外箱２に固定されているモータ８の回動をベルト６、回転軸７を介してドラム３に伝達させ、ドラム３を回転させる構造になっている。
【００１８】
中枠４の下部にはドレインコック２０が設けられおり、中枠４内に溜まった水分を排出できるようになっている。
【００１９】
また、外箱２の衣類挿入部２ｃ、中枠４の軸受面４ｂ及び外箱２外部とをダクト５にてバルブ２１を介して連結しており、ドラム３の回動によって発生する空気の流れを導くようにしている。
また、ドラム３の回動によってより大きな空気の流れを発生させるために、図２に示すようにドラム３の外周面３ｄに略曲面形状の突起部３０を設け、ドラム３回動時にドラム３の外周面３ｄと中枠４の内面４ｃとの空間１０部分の空気を突起部３０によりドラム３の孔３ａよりドラム３内部へ送出する或いはドラム３内部の空気をドラム３の孔３ａより空間１０へ排出させるようにしたものである。
【００２０】
なお、突起部３０はドラム３の外周面３ｄに対向する中枠４の内面４ｃに設けても良く、突起部３０の形状、数及び場所は本目的を達成できる形状であれば本実施例に限定されるものではない。
【００２１】
ダクト５の一部に、湿潤している空気を結露により水分を除去させて乾燥した空気にする冷却装置を設けてもよく、この場合、発生した水分はドレインコック２０に導いて外部へさせることができる。
【００２２】
外箱２の内側にはまた、ドラム３を加熱させるための加熱装置１１が外箱２又は中枠４に止着されている。
加熱装置１１の取付場所、数等は本実施例に限定されることはなく、側面、底面等でもよく、１箇所又は複数箇所に設けても良い。
【００２３】
ドラム３を加熱する加熱装置１１としては、マイクロ波加熱、電磁誘導加熱、赤外線加熱などの非接触式加熱手段を使用することができる。
マイクロ波加熱装置としては、４ＭＨｚから５ＧＨｚの周波数を発生するマグネトロンを乾燥機外箱の内壁面に設けて、ドラム３に対して照射を行い、ドラム３を加熱させるもので、公知のマイクロ波発生装置を利用することができる。
また、ドラム３内部の湿っている衣類等にもマイクロ波を当てるようにして、衣類等が含有している水分を直接暖めることもできる。
【００２４】
また、ドラム３にマイクロ波吸収発熱体を具備させることもでき、より効率的にドラム３を加熱させることができる。
使用するマイクロ波吸収発熱体としては、酸化物や金属などからなる公知のマイクロ波吸収発熱体、電磁波吸収発熱体（フェライト、カーボン、誘電材）を例示することができ、シート状、粉体状、液体状などからなるマイクロ波吸収発熱体を、接着、塗布、コーティングなどの公知手段によりドラム３内外周面の全部又は必要な部分に設ける。
【００２５】
また、ドラム３内面にはフッ素等の耐熱性被覆部材を塗布、コーティングなどの公知手段により付着させたりして設ける。
これにより、加熱されたドラム３への衣類等の付着防止、ドラム３と衣類等との滑りを良くして回転により衣類等の傷み防止ができ、乾燥効率をより高めることができる。
【００２６】
また電磁誘導加熱装置としては渦電流損を利用してドラム３を加熱させるもので、高周波電流発生源など公知の技術を利用することができる。
赤外線加熱装置としては赤外線灯を配置することにより回転するドラム３を加熱させるもので、赤外線灯などの公知の赤外照射源を利用することができる。
【００２７】
衣類等の乾燥方法について説明する。
外箱２の開口部２ａに設けられている蓋９を開放して、ドラム３の開口部３ｂより衣類等を投入し、蓋９を閉める。
外箱２の前面２ｂに設けられている図示されていないパネルスイッチを操作すると、モータ８が回動し、ベルト６を介して回転軸７に連結されているドラム３を回転させる。
【００２８】
また、加熱装置１１を動作させてドラム３を加熱し、ドラム３の加熱温度を４０℃から６０℃の間に制御する。
なお、より好ましいドラム３の加熱温度は４５℃前後の温度である。
【００２９】
ドラム３の温度制御手段としては、非接触式の温度センサ等の公知技術を使用することにより加熱装置の出力をマイコン等を使用した図示されていない制御装置により制御させる。
さらにドレインコック２０、バルブ２１及びモータ８の制御も前記制御装置にて行うこともでき、ドレインコック２０、バルブ２１の開閉や、ドラム３を正方向、逆方向へ交互に回転させたり、回転速度を速くしたり、遅くしたりさせることなどもできる。
【００３０】
なお本願発明で言う衣類等は、衣類のほか、毛布、シーツ、タオル、カバー等を含む。
【００３１】
本発明はドラム式洗濯乾燥機に適用することもできる。
ドラム式洗濯乾燥機に適用することにより、回転するドラムの加熱により洗浄水を暖め温水を作ることができるため、洗浄時の洗浄効果をより高めることができる。
またすすぎ時にもドラムの加熱により作成した温水を用いることにより、脱水後の乾燥時間を短くさせることもできる。
【００３２】
【発明の効果】
回転するドラム３を直接加熱するため、効率良く衣類を乾燥させることができる。
送風用ファンモータを設ける必要が無く、騒音を静かにできる。
マイクロ波吸収発熱体を設けることにより、ドラム３を効率良く加熱することができる。
ドラム３にフッ素等の耐熱性被覆部材を設けることにより、衣類等のドラム３への不必要な付着が防止され、また衣類等のドラム３との摺動による傷みを防ぐことができる。
【図面の簡単な説明】
【図１】本発明の実施例を示す断面図である。
【図２】突起部３０の説明図である。
【符号の説明】
１　　衣類乾燥機
２　　外箱
３　　ドラム
４　　中枠
５　　ダクト
９　　蓋
１１　加熱装置[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a clothes dryer, and more particularly, to a drum-type clothes dryer in which a rotary drum is directly heated by a heating device.
[0002]
[Prior art]
Conventional clothes dryers use a heater to heat air taken in from outside air by means of a fan or the like, create dry hot air, send the hot air into a rotating drum using a duct, etc. There has been proposed a method of drying clothes stored in a store.
In addition, as an improved product, it reduces the damage to clothes caused by the rotation of the drum during drying, prolongs the drying time by performing only natural drying using the outside air as it is, and saves electricity bills by using it at night. A drum-type clothes dryer using both natural drying and low-temperature drying has been proposed. (For example, refer to Patent Document 1.)
[0003]
[Patent Document 1]
JP-A-5-131092 (page 2-3, FIG. 1)
[0004]
[Problems to be solved by the invention]
However, even in the case of the above-mentioned improvement plan, since the vibration noise and the exhaust noise of the fan for blowing the outside air are generated for quiet night use, a clothes dryer with a quiet and high drying efficiency is desired.
An object of the present invention is to provide a clothes dryer that is quiet and has high drying efficiency in order to satisfy such a demand.
[0005]
Means for Solving the Invention
The present invention has been made to solve the above problems,
The invention according to claim 1 is a drum-type clothes dryer in which clothes and the like are stored in a rotating drum and dried, in which the rotating drum is directly heated inside the outer box case facing the outer peripheral surface of the rotating drum. A drum-type clothes dryer characterized by comprising the heating device of (1).
[0006]
The invention according to claim 2 is a drum-type clothes dryer in which clothes and the like are stored in a rotating drum and dried, in which the rotating drum is directly heated inside the outer box case facing the outer peripheral surface of the rotating drum. And a non-contact heating device such as a microwave heating device, an electromagnetic induction heating device, and an infrared heating device.
[0007]
The invention according to claim 3 is a drum-type clothes dryer in which the rotary drum is provided with a heat-resistant covering member such as a fluorine coating.
[0008]
The invention according to claim 4 is a drum-type clothes dryer in which a microwave absorbing heating element is provided on the rotating drum.
[0009]
The invention according to claim 5, wherein a frame is provided inside the outer casing of the dryer so as to surround the rotary drum, and a substantially flat or substantially spherical projection is provided on the outer peripheral surface of the rotary drum or the inner surface of the frame. It is a clothes dryer.
[0010]
[Action]
In the present invention, the rotating drum 3 is directly heated, so that loss of heat can be reduced and drying efficiency can be improved.
[0011]
By using a non-contact heating device such as a microwave heating device, an electromagnetic induction heating device, or an infrared heating device as a heating device for directly heating the drum 3, the drum 3 can be directly heated in a non-contact state, and the outside of the dryer is provided. The mounting location of the heating device in the box case can be freely selected.
Further, the time for assembling work such as connecting to the drum 3 can be eliminated.
[0012]
According to the invention of claim 3, by forming a heat-resistant coating member such as fluorine on the inner surface of the drum 3 by using a known means such as coating, the clothes are adhered by heating of the drum and the clothes are damaged by sliding with the drum. Can be prevented.
[0013]
According to the fourth aspect of the present invention, the drum 3 can be heated more efficiently by providing a heating element that absorbs microwaves and generates heat on the inner and outer surfaces of the peripheral surface of the drum 3 by coating, coating or bonding. , More energy saving.
[0014]
According to the invention of claim 5, a substantially flat or substantially spherical projection 30 is provided on the outer peripheral surface 3d of the drum 3 or the inner surface 4c of the middle frame 4, and the outer peripheral surface 3d of the drum 3 and the inner surface of the middle frame 4 when the drum 3 rotates. 4c, the air in the space 10 is sent out from the hole 3a of the drum 3 to the inside of the drum 3 by the protrusion 30, or the air inside the drum 3 is discharged into the space 10 from the hole 3a of the drum 3 to rotate the drum 3. The movement creates a larger airflow,
Thus, the air for drying the clothes can be blown only by the rotation of the drum 3, and the motor for the blowing fan can be eliminated.
[0015]
In addition, by applying the present invention to a drum-type washing / drying machine that is used not only for drying but also for washing, the washing water can be warmed by heating the drum to produce warm water, so that the washing effect during washing can be improved.
Also, by using warm water created by heating the drum during rinsing, the drying time after dehydration can be shortened.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
Reference numeral 1 denotes a dryer of the present invention, in which an outer box 2 made of a substantially rectangular parallelepiped resin or metal is fixed with an inner frame 4 made of a substantially cylindrical resin or metal. A substantially cylindrical drum 3 made of metal or heat-resistant resin having a large number of holes 3a is provided.
[0017]
The opening 3b of the drum 3 is rotatably supported by the clothes insertion portion 2c provided in the opening 2a of the outer box 2, and the side 3c opposite to the opening 3b is rotatably supported by the bearing 4a of the middle frame 4. Has been
The rotating shaft 7 penetrating the bearing portion 4a of the middle frame 4 and the side surface 3c of the drum 3 are fitted, and the rotation of the motor 8 fixed to the outer box 2 is rotated via the belt 6 and the rotating shaft 7. To the drum 3 and rotate the drum 3.
[0018]
A drain cock 20 is provided below the middle frame 4 so that the water accumulated in the middle frame 4 can be discharged.
[0019]
The clothing insertion portion 2c of the outer box 2, the bearing surface 4b of the inner frame 4, and the outside of the outer box 2 are connected via the valve 21 via the duct 5, and the flow of air generated by the rotation of the drum 3 To guide you.
In order to generate a larger air flow by rotating the drum 3, a substantially curved projection 30 is provided on the outer peripheral surface 3 d of the drum 3 as shown in FIG. The air in the space 10 between the outer peripheral surface 3d and the inner surface 4c of the middle frame 4 is sent out from the hole 3a of the drum 3 to the inside of the drum 3 by the projection 30, or the air inside the drum 3 is sent to the space 10 from the hole 3a of the drum 3. It is designed to be discharged.
[0020]
The protrusions 30 may be provided on the inner surface 4c of the middle frame 4 facing the outer peripheral surface 3d of the drum 3. The shape, number, and location of the protrusions 30 are not limited to those in this embodiment as long as the object can be achieved. It is not limited.
[0021]
A cooling device may be provided in a part of the duct 5 to remove moisture from the moist air by dew condensation and convert the air to dry air. In this case, the generated moisture is guided to the drain cock 20 to the outside. Can be.
[0022]
A heating device 11 for heating the drum 3 is fixed to the outer box 2 or the inner frame 4 inside the outer box 2.
The mounting location, number, and the like of the heating devices 11 are not limited to the present embodiment, and may be provided on the side surface, the bottom surface, or the like, or may be provided at one or a plurality of locations.
[0023]
As the heating device 11 for heating the drum 3, non-contact heating means such as microwave heating, electromagnetic induction heating, and infrared heating can be used.
As a microwave heating device, a magnetron that generates a frequency of 4 MHz to 5 GHz is provided on the inner wall surface of the outer box of the dryer, and irradiates the drum 3 to heat the drum 3. Equipment can be used.
In addition, it is also possible to directly warm the moisture contained in the clothes and the like by applying microwaves to the wet clothes and the like inside the drum 3.
[0024]
In addition, the drum 3 can be provided with a microwave absorbing heat generating element, and the drum 3 can be heated more efficiently.
Examples of the microwave absorbing and heating element to be used include a known microwave absorbing and heating element made of an oxide, a metal, or the like, and an electromagnetic wave absorbing and heating element (ferrite, carbon, dielectric material). A microwave-absorbing heating element made of a liquid or the like is provided on all or a necessary portion of the inner and outer peripheral surfaces of the drum 3 by known means such as adhesion, coating, and coating.
[0025]
In addition, a heat-resistant covering member such as fluorine is provided on the inner surface of the drum 3 by applying known means such as coating or coating.
Thereby, it is possible to prevent the clothes and the like from adhering to the heated drum 3, improve the slip between the drum 3 and the clothes and prevent the clothes and the like from being damaged by the rotation, and further improve the drying efficiency.
[0026]
The electromagnetic induction heating device heats the drum 3 using eddy current loss, and a known technique such as a high-frequency current generation source can be used.
As the infrared heating device, a rotating drum 3 is heated by disposing an infrared lamp, and a known infrared irradiation source such as an infrared lamp can be used.
[0027]
A method for drying clothes and the like will be described.
The lid 9 provided in the opening 2a of the outer box 2 is opened, clothes and the like are thrown in from the opening 3b of the drum 3, and the lid 9 is closed.
When a panel switch (not shown) provided on the front surface 2 b of the outer box 2 is operated, the motor 8 rotates and rotates the drum 3 connected to the rotating shaft 7 via the belt 6.
[0028]
In addition, the heating device 11 is operated to heat the drum 3, and the heating temperature of the drum 3 is controlled between 40 ° C. and 60 ° C.
The more preferable heating temperature of the drum 3 is about 45 ° C.
[0029]
As the temperature control means of the drum 3, a known technique such as a non-contact type temperature sensor is used to control the output of the heating device by a control device (not shown) using a microcomputer or the like.
Further, the control device can also control the drain cock 20, the valve 21, and the motor 8, and can also open and close the drain cock 20, the valve 21, rotate the drum 3 alternately in the forward and reverse directions, and change the rotation speed. Can be made faster or slower.
[0030]
Note that the clothes and the like referred to in the present invention include blankets, sheets, towels, covers, and the like, in addition to the clothes.
[0031]
The present invention can also be applied to a drum type washer / dryer.
By applying the present invention to a drum type washer / dryer, the washing water can be warmed by heating the rotating drum to produce hot water, so that the washing effect at the time of washing can be further enhanced.
Also, by using warm water created by heating the drum at the time of rinsing, the drying time after dehydration can be shortened.
[0032]
【The invention's effect】
Since the rotating drum 3 is directly heated, the clothes can be efficiently dried.
There is no need to provide a blower fan motor, and noise can be reduced.
By providing the microwave absorption heating element, the drum 3 can be efficiently heated.
By providing the drum 3 with a heat-resistant covering member such as fluorine, unnecessary attachment of clothes and the like to the drum 3 can be prevented, and damage caused by sliding of the clothes and the like on the drum 3 can be prevented.
[Brief description of the drawings]
FIG. 1 is a sectional view showing an embodiment of the present invention.
FIG. 2 is an explanatory diagram of a protrusion 30.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Clothes dryer 2 Outer box 3 Drum 4 Middle frame 5 Duct 9 Cover 11 Heating device

Claims (5)

衣類等を回転ドラム内に収納して乾燥させるドラム式衣類乾燥機において、
前記回転ドラム外周面に対向する前記乾燥機外箱ケース内側には、前記回転ドラムを直接加熱するための加熱装置を備えたことを特徴とするドラム式衣類乾燥機In a drum-type clothes dryer that stores clothes and the like in a rotating drum and dries,
A drum-type clothes dryer, wherein a heating device for directly heating the rotary drum is provided inside the outer box case facing the outer peripheral surface of the rotary drum. 衣類等を回転ドラム内に収納して乾燥させるドラム式衣類乾燥機において、
前記回転ドラム外周面に対向する前記乾燥機外箱ケース内側に、前記回転ドラムを直接加熱するためのマイクロ波加熱装置、電磁誘導加熱装置、赤外線加熱装置等の非接触式加熱装置を備えたことを特徴とするドラム式衣類乾燥機In a drum-type clothes dryer that stores clothes and the like in a rotating drum and dries,
A non-contact heating device such as a microwave heating device, an electromagnetic induction heating device, or an infrared heating device for directly heating the rotating drum is provided inside the dryer outer box case facing the outer peripheral surface of the rotating drum. Drum type clothes dryer characterized by the following 前記回転ドラムにフッ素コーティング等の耐熱性被覆部材を設けたことを特徴とする請求項１または２記載のドラム式衣類乾燥機3. A drum-type clothes dryer according to claim 1, wherein a heat-resistant covering member such as a fluorine coating is provided on the rotating drum. 前記回転ドラムにマイクロ波吸収発熱体を設け、該発熱体を加熱するためにマイクロ波加熱装置を設けたことを特徴とする請求項１または３記載のドラム式衣類乾燥機The drum-type clothes dryer according to claim 1 or 3, wherein a microwave absorption heating element is provided on the rotating drum, and a microwave heating device is provided for heating the heating element. 前記乾燥機外箱内側に前記回転ドラムを囲むように枠体を設け、
前記回転ドラム外周面又は前記枠体内面に略平面又は略球面形状の突起部を設けたことを特徴とする請求項１乃至４記載のドラム式衣類乾燥機A frame is provided inside the outer box of the dryer so as to surround the rotating drum,
5. A drum-type clothes dryer according to claim 1, wherein a substantially flat or substantially spherical projection is provided on the outer peripheral surface of the rotary drum or the inner surface of the frame.
JP2002305322A 2002-10-21 2002-10-21 Drum type clothes dryer Pending JP2004135998A (en)

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DE102009026646A1 (en) 2009-06-02 2010-12-09 BSH Bosch und Siemens Hausgeräte GmbH Method for treating laundry in front loading washing machine, involves operating drum with rotational speed that is equal or above applied rotational speed, where laundry in drum is firmly laid-out on drum body at applied rotational speed
EP2400052A1 (en) 2010-06-25 2011-12-28 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. An induction heating system
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